For fast adventures in the mountains up to 2 days, the light, durable Synapse Flow 45 has dynamic shoulder straps that make it easier to move, as well as an airvent system for ventilation and an integrated rain cover.

For fast, overnight adventures in the mountains or longer day hikes, the light, durable Synapse Flow 30 has dynamic shoulder straps that make it easier to move, as well as an airvent system for ventilation and an integrated rain cover.

Countour 25 is packed with features that make it ready for any adventure in the city or the mountains. Thermo-molded back and straps, big bottle sleeves on the side, convenient external storage, as well as a suspended computer sleeve and internal organizer. Your one pack for active living.

Lightweight insulation kit ensures your liquids don't freeze or overheat in the reservoir or the tube, and includes a protective garage for the valve. A great solution for running or Nordic skiing in extreme heat or cold.